\Header{preplot}{Pre-computations for a Plotting Objeect}
\keyword{models}{preplot}
\begin{Description}\relax
Compute an object to be used for plots relating to the given model object.\end{Description}
\begin{Usage}
\begin{verbatim}
preplot(object, ...)
\end{verbatim}
\end{Usage}
\begin{Arguments}
\begin{ldescription}
\item[\code{object}] a fitted model object.
\item[\code{...}] additional arguments for specific methods.
\end{ldescription}
\end{Arguments}
\begin{Details}\relax
Only the generic function is currently provided in base \R, but some
add-on packages have methods. Principally here for S compatibility.\end{Details}
\begin{Value}
An object set up to make a plot that describes \code{object}.\end{Value}

